EP0265827A2 - Système de contrôle identification de personnes et d'objets - Google Patents

Système de contrôle identification de personnes et d'objets Download PDF

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Publication number
EP0265827A2
EP0265827A2 EP87115412A EP87115412A EP0265827A2 EP 0265827 A2 EP0265827 A2 EP 0265827A2 EP 87115412 A EP87115412 A EP 87115412A EP 87115412 A EP87115412 A EP 87115412A EP 0265827 A2 EP0265827 A2 EP 0265827A2
Authority
EP
European Patent Office
Prior art keywords
control system
reading
light source
card
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP87115412A
Other languages
German (de)
English (en)
Other versions
EP0265827A3 (fr
Inventor
Horst Dr. Freisleben
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of EP0265827A2 publication Critical patent/EP0265827A2/fr
Publication of EP0265827A3 publication Critical patent/EP0265827A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/1097—Optical sensing of electronic memory record carriers, such as interrogation of RFIDs with an additional optical interface
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Definitions

  • the invention relates to a control system for identifying people and objects according to the preamble of claim 1.
  • the identification card has identifying features that are checked by the reading and evaluation device. If it is determined during the check that the holder of the ID card belongs to the authorized group of persons, access is granted by z. B. the automatic door is operated. Otherwise, e.g. a follow-up check by the security guards or the ID card is retained after one or more attempts.
  • the ID card responds to the long-wave radio frequency and has z. B. on an induction coil, which uses the induced energy to operate a small transmitter, which then sends the coded identification data according to the identifying characteristics back to a receiver on the transmitter side, where they are checked in the usual way; see. Company brochure "Access control system NEDAP XS from Esserhoutechnik GmbH, D-4040 Neuss 21 from April 1982.
  • a disadvantage of this method is the short range of the high-frequency field, which is only approx. 70 cm. More far-reaching high-frequency fields cannot be used, since it is necessary to work with frequencies that are made available for free use by a commission for the distribution of radio frequencies, generally the post. Among other things, this short range often also causes structural problems when designing the locks or gates. It also enables automatic control in the area or in buildings sword.
  • Another disadvantage is the relatively bulky and heavy design of the necessary ID cards and their relatively high price.
  • this control system basically fails when it comes to controlling people in vehicles.
  • the invention is based on the object of specifying a control system which is simple and inexpensive in design and with which simple verification of the identity card at a distance is possible.
  • the control is carried out optoelectronically, the identification card being illuminated and with the aid of a modulatable retroreflector the light is reflected back towards a receiver of the reading and evaluation device.
  • the modulation of the retroreflector determines the identifying features that are checked electronically in the reading and evaluation device; it can e.g. B. polarization or scatter modulation can be used.
  • the modulation of the retroreflector can be firmly impressed and z. B. consist in an intensity modulation, so that the reflected light has an intensity distribution in the manner of a pattern, which defines the identifying features and is checked in the reading and evaluation device.
  • the modulation is e.g. B. determined that the retroreflector has different reflective properties over its surface.
  • the modulation of the retroreflector by means of a programmable modulation circuit integrated in the identification card.
  • the energy for the modulation circuit and possibly further electronics integrated in the identification card is supplied by solar cells, which preferably also respond to the light from the light source of the control system illuminating the identification card.
  • the light from the light source must be compatible with the person and particularly easy on the eyes: light sources that radiate in the infrared range are suitable for this purpose.
  • the flat, light and uniform design of the retroreflectors and the solar cells, their low price and their low power consumption are further design advantages that distinguish the control system according to the invention.
  • control system is immune to interference the well-known radio system, which can be influenced by stray radiation. There are no restrictions regarding the use of light frequencies anyway.
  • control system can also be used in the production and distribution of goods by providing each good with a badge corresponding to the identification card, the identifying features of which are read out and checked. So z. B. in the assembly line production of cars each car wear such a badge on the identifying features are given according to special manufacturing information.
  • the control system is designed to be self-checking.
  • a test ID card with the same design as the other ID cards is installed in the control area, which is constantly irradiated by the broad beam of light from the light source and reflects the light via the retroreflector to the receiver on the transmitter side.
  • This self-check is only interrupted by the actual control process when identifying a person or an object.
  • the control system described can also include a paging function by, for. B. after checking the ID card, the entrant is given a signal, on the basis of which he contacts a central office.
  • a selective person call function can also be achieved in that a light source that can be modulated with the aid of control electronics is provided on the encoder side and evaluation electronics that respond to this modulation are provided in the identification card.
  • FIG. 1 An access control is shown schematically in FIG. 1.
  • a light source 5 is provided at the gate, e.g. B. a luminescent diode that illuminates the person 1 with a relatively wide-spread light beam 7 eye-safe via simple optics 6 (FIG. 3).
  • the visibly worn ID card 4 is also illuminated.
  • This has a modulatable retroreflector 8, which reflects the light in the direction of the light source 5. This light is received via the input optics 6 with the aid of a receiver 9 (FIG. 3) and used for testing purposes. If the check is positive, the automatic door 3 is opened.
  • the identification card 4 shown in FIG. 2 has, in addition to the aforementioned retroreflector 8 arranged in the lower region, an image field 10 and a name field 11 in which the image of the person or their name is attached. In addition, areas 12 are also provided for labeling the identification card 4. In addition to the retroreflector 8 there is also an arrangement of sun cells 13 which supplies the electronics of the identification card 4 shown in FIG. 3. The electronics are integrated in the area 14 provided with a bracket within the card.
  • FIG. 3 shows a schematic block diagram of the entire control system.
  • the solar cells 13 supply an energy store 15, which supplies a modulator circuit 16 and a data store 17 of the electronics 14 with voltage.
  • the modulator circuit 16 is connected to the retroreflector 8.
  • the reflection properties of the retroreflector are modulated on the basis of the data present in the data memory 17 and the modulation circuit 16. This modulation is usually a modulation of the reflection properties of the retroreflector, which is carried out in a clock-controlled manner. This modulation determines the identifying characteristics for the person who carries the identity card.
  • the aforementioned light source 5, the receiver 9 and the optics 6 are part of a reading and evaluation device 18 which comprises an amplifier 19 connected to the receiver and a subsequent series circuit comprising a signal conditioning circuit 20, a control logic 21 and a driver circuit 22.
  • the elements of the reading and evaluation device 18 are supplied by a voltage source, not shown.
  • the light radiation reflected by the retroreflector 8 after modulation is processed in terms of signals in this circuit, and the electrical signals are evaluated in the control logic 21 on the basis of predetermined data. If this test is positive, the driver circuit 22 outputs a control signal for the automati door 3, which then opens.
  • the control logic 21 can also be connected to a central computer 23 which, for example, provides the specified data and performs other control and monitoring functions.
  • the control system described can also be expanded by a modulator 24 within the reading and evaluation device 18 with which the light source 5 is modulated.
  • a receiver 25 can optionally be provided with an evaluation circuit 26 which responds to the modulation of the light radiation.
  • B. is connected to a small signal generator 27.
  • the receiver 25 can also be integrated in the retroreflector 8.
  • FIG. 1 a possibility for self-testing of the control system described is shown schematically.
  • a stationary holder 28 for a test ID card 29 is provided in the area of the fanned out light beam 7. This test ID card 29 is illuminated if there is no person to be identified in the control area.
  • the test ID card 29 has the same structure as the ID card 4 described, so that the retroreflector also reflects the light radiation in itself onto the light receiver. This reflected radiation, which contains the identifying features of the test ID card 29, is evaluated in the same way and used to check the function of the reading and evaluation device.
EP87115412A 1986-10-25 1987-10-21 Système de contrôle identification de personnes et d'objets Withdrawn EP0265827A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863636414 DE3636414A1 (de) 1986-10-25 1986-10-25 Kontrollsystem zur identifizierung von personen und objekten
DE3636414 1986-10-25

Publications (2)

Publication Number Publication Date
EP0265827A2 true EP0265827A2 (fr) 1988-05-04
EP0265827A3 EP0265827A3 (fr) 1988-07-20

Family

ID=6312501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115412A Withdrawn EP0265827A3 (fr) 1986-10-25 1987-10-21 Système de contrôle identification de personnes et d'objets

Country Status (3)

Country Link
EP (1) EP0265827A3 (fr)
JP (1) JPS63184892A (fr)
DE (1) DE3636414A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101306U1 (fr) * 1991-02-06 1991-05-23 Inform Vertriebsgesellschaft Fuer Kommunikationsanlagen Und Sicherheitssysteme Mbh + Co Kg, 4000 Duesseldorf, De
GB2278085A (en) * 1993-05-21 1994-11-23 Motorola Inc Optical signal coupler for smart card / reader interface.
NL1001533C2 (nl) * 1995-10-31 1997-05-02 Nedap Nv Contactloos identificatiesysteem, eventueel aangevuld met sensoren, gebaseerd op gemoduleerde reflectie van optische signalen.
WO2008005725A2 (fr) * 2006-06-30 2008-01-10 Britta Technologies, Llc Identification électro-optique active
US8113434B2 (en) 2006-06-30 2012-02-14 Britta Technologies, Llc Passive electro-optical identification tags

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926407A1 (de) * 1989-08-10 1991-02-14 Paul Gauselmann Einrichtung zur erfassung von fuellstandsaenderungen in einem muenzbehaelter eines muenzbetaetigten unterhaltungsgeraetes
DE4132158A1 (de) * 1990-10-27 1992-04-30 Eltro Gmbh Verfahren und vorrichtung zum optoelektronischen kennzeichnen und identifizieren
DE4311385C2 (de) * 1993-04-07 1998-05-20 Walter Holzer Identifikationskarte

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633158A (en) * 1969-03-05 1972-01-04 Minnesota Mining & Mfg Transceiver-transponder-type communications system
US3906448A (en) * 1974-08-01 1975-09-16 Rca Corp Fault detection facilitating means for card reader of identification card reading system
US4025791A (en) * 1975-08-12 1977-05-24 Kilo Corporation Object identification system
US4143263A (en) * 1974-11-08 1979-03-06 Kurt Eichweber Receiver-transmitter device for transmitting data by means of focused modulated, light beams
DE3415233A1 (de) * 1984-04-21 1985-11-07 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Raumueberwachungseinrichtung
EP0166087A1 (fr) * 1984-05-03 1986-01-02 LGZ LANDIS & GYR ZUG AG Dispositif pour la transmission de données sans fil entre un identificateur et un support d'identification

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736217A1 (de) * 1977-08-09 1979-02-22 Licentia Gmbh Einrichtung zur automatischen wagenidentifizierung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633158A (en) * 1969-03-05 1972-01-04 Minnesota Mining & Mfg Transceiver-transponder-type communications system
US3906448A (en) * 1974-08-01 1975-09-16 Rca Corp Fault detection facilitating means for card reader of identification card reading system
US4143263A (en) * 1974-11-08 1979-03-06 Kurt Eichweber Receiver-transmitter device for transmitting data by means of focused modulated, light beams
US4025791A (en) * 1975-08-12 1977-05-24 Kilo Corporation Object identification system
DE3415233A1 (de) * 1984-04-21 1985-11-07 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Raumueberwachungseinrichtung
EP0166087A1 (fr) * 1984-05-03 1986-01-02 LGZ LANDIS & GYR ZUG AG Dispositif pour la transmission de données sans fil entre un identificateur et un support d'identification

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101306U1 (fr) * 1991-02-06 1991-05-23 Inform Vertriebsgesellschaft Fuer Kommunikationsanlagen Und Sicherheitssysteme Mbh + Co Kg, 4000 Duesseldorf, De
GB2278085A (en) * 1993-05-21 1994-11-23 Motorola Inc Optical signal coupler for smart card / reader interface.
US5434401A (en) * 1993-05-21 1995-07-18 Motorola, Inc. Signal coupler
GB2278085B (en) * 1993-05-21 1997-06-04 Motorola Inc Signal coupler
NL1001533C2 (nl) * 1995-10-31 1997-05-02 Nedap Nv Contactloos identificatiesysteem, eventueel aangevuld met sensoren, gebaseerd op gemoduleerde reflectie van optische signalen.
WO2008005725A2 (fr) * 2006-06-30 2008-01-10 Britta Technologies, Llc Identification électro-optique active
WO2008005725A3 (fr) * 2006-06-30 2008-06-26 Fred Charles Thomas Iii Identification électro-optique active
US7874490B2 (en) 2006-06-30 2011-01-25 Britta Technologies, Llc Active electro-optical identification
US8113434B2 (en) 2006-06-30 2012-02-14 Britta Technologies, Llc Passive electro-optical identification tags

Also Published As

Publication number Publication date
EP0265827A3 (fr) 1988-07-20
JPS63184892A (ja) 1988-07-30
DE3636414A1 (de) 1988-05-05

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Inventor name: FREISLEBEN, HORST, DR.